Home / 181,558.08-250,374.24-121,131.18

Finding the Fourth Proportional to 181,558.08, 250,374.24 and 121,131.18

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Solution

The fourth proportional to 181,558.08, 250,374.24 and 121,131.18 is: 167,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,558.08 : 250,374.24 = 121,131.18 : x
  2. Step 2: Convert to fraction form
    181,558.08/250,374.24 = 121,131.18/x
  3. Step 3: Cross multiply
    181,558.08x = 250,374.24 × 121,131.18
  4. Step 4: Simplify right side
    181,558.08x = 30,328,127,132.80
  5. Step 5: Solve for x
    x = 30,328,127,132.80/181,558.08
  6. Step 6: Final answer
    x = 167,043.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.